package com.tangyuan.user.mapper;

import com.baomidou.mybatisplus.core.mapper.BaseMapper;
import com.tangyuan.model.UserBalance;
import org.apache.ibatis.annotations.Mapper;

/**
 * @Description: user_balance
 * @Author: jeecg-boot
 * @Date:   2024-03-12
 * @Version: V1.0
 */
@Mapper
public interface UserBalanceMapper extends BaseMapper<UserBalance> {

    UserBalance selectByUserId(Long userId);
}
